T-7 Shaped Miniature Bulbs are TUBULAR in shape. The seven following the
T indicates that the bulb is seven (7) eighths of an inch in diameter
or 0.9" which is 22.9 millimeters. All bulbs in the T-7 category have a Maximum Overall Length (M.O.L.) of
between 2.16" or 54.86 millimeters and 2.53" inches or 64.32
millimeters. All T-7 miniature bulbs have a C-5A,C-7A
or C-8Z Filament Design.